ABSTRACT
Functional pavement has been widely used in the preventive maintenance of road for its distinguished improvement in road performance like noise reduction or driving comfortability upgrade. However, the confirmation of its thickness tends to be empiricalbased instead of theoretical-based. In this paper, a numerical definition of functional pavement was presented. Abaqus 6.14 was used in the modeling process in order to evaluate the largest tensile stress level at the bottom of base course, where different elastic modulus and thickness of functional pavement were set on given substratum parameters. Subsequently, Matlab 7.11.0 was employed to fit the relation of the aforementioned variables in reference to that of asphalt concrete. Finally, a numerical definition of functional pavement have been implemented.
